Motorola Signature vs Xiaomi 15 Ultra
73.5Performance79.1
94.2Display69.1
69.3Camera73.2
73.5Battery79
94.7Features78.7
9 spec wins — Motorola Signature6 spec wins — Xiaomi 15 Ultra
InnoReviews verdict
Motorola Signature wins this phone face-off, 78.9 to 75.9, pulling ahead mainly in display (+25) and features (+16). Xiaomi 15 Ultra still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Motorola Signature
- Stronger display score: 94 vs 69
- Stronger features score: 95 vs 79
- 94% higher Peak brightness: 6,200 nits vs 3,200 nits
- 75% higher OS update pledge: 7 years vs 4 years
- 56% higher Front camera: 50 MP vs 32 MP
Reasons to pick the Xiaomi 15 Ultra
- Stronger performance score: 79 vs 74
- Stronger camera score: 73 vs 69
- Stronger battery score: 79 vs 74
- 300% higher telephoto: 200 MP vs 50 MP
- 60% higher Wireless charging: 80 W vs 50 W
Display
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Screen size | 6.8 ″+1% | 6.73 ″ |
| Panel type | LTPO AMOLED | LTPO AMOLED |
| Resolution | 1264x2780 | 1440x3200 |
| Pixel density | 446 ppi | 522 ppi+17% |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 6,200 nits+94% | 3,200 nits |
| Screen-to-body | 95.2 %+6% | 90 % |
Performance
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Gen 5 | Snapdragon 8 Elite |
| AnTuTu | — | 2,650,000 |
| Geekbench 6 (single) | 2,908Top 17% | 3,050+5%Top 12% |
| Geekbench 6 (multi) | 9,678+1%Top 10% | 9,600Top 11% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB/512GB/1TB | 256/512GB/1TB |
| Storage type | UFS 4.1 | UFS 4.1 |
Camera
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.6 | f/1.63 |
| Ultra-wide | 50 MP | 50 MP |
| Telephoto | 50 MP | 200 MP+300% |
| Optical zoom | 3 x | 4.3 x+43% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 50 MP+56% | 32 MP |
| OIS | Yes | Yes |
Battery
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Capacity | 5,200 mAh | 5,410 mAh+4% |
| Wired charging | 90 W | 90 W |
| Wireless charging | 50 W | 80 W+60% |
| Active use endurance | — | 12 h |
Design
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Weight | 186 g+18% | 226 g |
| Thickness | 7 mm+25% | 9.4 mm |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | Aluminum |
Connectivity
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| NFC | Yes | Yes |
| USB | USB-C 3.2 | USB-C 3.2 |
| eSIM | Yes | Yes |
Software
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| OS at launch | Android 16 | Android 15 (HyperOS 2) |
| OS update pledge | 7 years+75% | 4 years |
Audio
| Spec | Motorola Signature | Xiaomi 15 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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